![TNC in Illinois on Twitter: "Whoa! Today in the #SaturdaySouthernILSpotlight, check out this hickory horned devil caterpillar. It has multiple stages of life before it evolves into a regal moth. Thanks to TNC in Illinois on Twitter: "Whoa! Today in the #SaturdaySouthernILSpotlight, check out this hickory horned devil caterpillar. It has multiple stages of life before it evolves into a regal moth. Thanks to](https://pbs.twimg.com/media/EiSOaO7XkAIoW3X.jpg)
TNC in Illinois on Twitter: "Whoa! Today in the #SaturdaySouthernILSpotlight, check out this hickory horned devil caterpillar. It has multiple stages of life before it evolves into a regal moth. Thanks to
![Giant Caterpillars! Hickory Horned Devils - Regal Moth - Citheronia regalis (Saturniidae) VERY Big - YouTube Giant Caterpillars! Hickory Horned Devils - Regal Moth - Citheronia regalis (Saturniidae) VERY Big - YouTube](https://i.ytimg.com/vi/Cvbh34PXJ8c/maxresdefault.jpg)
Giant Caterpillars! Hickory Horned Devils - Regal Moth - Citheronia regalis (Saturniidae) VERY Big - YouTube
![The Giant Horned Caterpillar of the Royal Walnut Moth, Regal Moth or Hickory Horned Devil, Citheronia Regalis on a Woman`s Hand. Stock Image - Image of butterfly, large: 194489829 The Giant Horned Caterpillar of the Royal Walnut Moth, Regal Moth or Hickory Horned Devil, Citheronia Regalis on a Woman`s Hand. Stock Image - Image of butterfly, large: 194489829](https://thumbs.dreamstime.com/z/giant-horned-caterpillar-royal-walnut-moth-regal-hickory-devil-citheronia-regalis-woman-s-hand-world-s-largest-194489829.jpg)
The Giant Horned Caterpillar of the Royal Walnut Moth, Regal Moth or Hickory Horned Devil, Citheronia Regalis on a Woman`s Hand. Stock Image - Image of butterfly, large: 194489829
![Green and spiky creature found at Pennsylvania state park isn't an alien. It's a hickory horned devil – The Morning Call Green and spiky creature found at Pennsylvania state park isn't an alien. It's a hickory horned devil – The Morning Call](http://thumbor-prod-us-east-1.photo.aws.arc.pub/UoY6G3sB2aX40MbfafiaF_7nT_A=/arc-anglerfish-arc2-prod-tronc/public/6MOM35AKDREUNBEZUMHPQLQ7LI.jpg)